./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45558e1c10008e5b16efe572a84fcf92b08797f54d586c51d45827b7e38254a6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:26:08,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:26:08,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:26:08,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:26:08,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:26:08,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:26:08,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:26:08,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:26:08,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:26:08,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:26:08,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:26:08,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:26:08,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:26:08,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:26:08,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:26:08,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:26:08,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:26:08,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:26:08,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:26:08,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:26:08,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:26:08,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:26:08,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:26:08,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:26:08,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:26:08,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:26:08,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:26:08,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:26:08,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:26:08,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:26:08,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:26:08,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:26:08,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:26:08,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:26:08,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:26:08,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:26:08,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:26:08,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:26:08,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:26:08,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:26:08,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:26:08,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:26:08,978 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:26:08,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:26:08,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:26:08,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:26:08,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:26:08,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:26:08,982 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:26:08,982 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:26:08,982 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:26:08,982 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:26:08,983 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:26:08,983 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:26:08,983 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:26:08,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:26:08,983 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:26:08,984 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:26:08,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:26:08,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:26:08,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:26:08,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:26:08,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:26:08,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:26:08,985 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:26:08,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:26:08,985 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:26:08,985 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:26:08,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:26:08,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:26:08,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:26:08,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:26:08,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:26:08,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:26:08,986 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:26:08,987 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45558e1c10008e5b16efe572a84fcf92b08797f54d586c51d45827b7e38254a6 [2021-12-22 20:26:09,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:26:09,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:26:09,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:26:09,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:26:09,191 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:26:09,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2021-12-22 20:26:09,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef29ffa12/d8d1b6e4e532421d98034e3f172a6047/FLAGa0e4ea283 [2021-12-22 20:26:09,733 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:26:09,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2021-12-22 20:26:09,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef29ffa12/d8d1b6e4e532421d98034e3f172a6047/FLAGa0e4ea283 [2021-12-22 20:26:10,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef29ffa12/d8d1b6e4e532421d98034e3f172a6047 [2021-12-22 20:26:10,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:26:10,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:26:10,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:26:10,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:26:10,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:26:10,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:26:10" (1/1) ... [2021-12-22 20:26:10,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1183ff1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:10, skipping insertion in model container [2021-12-22 20:26:10,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:26:10" (1/1) ... [2021-12-22 20:26:10,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:26:10,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:26:10,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c[9333,9346] [2021-12-22 20:26:10,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:26:10,492 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:26:10,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c[9333,9346] [2021-12-22 20:26:10,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:26:10,581 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:26:10,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:10 WrapperNode [2021-12-22 20:26:10,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:26:10,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:26:10,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:26:10,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:26:10,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:10" (1/1) ... [2021-12-22 20:26:10,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:10" (1/1) ... [2021-12-22 20:26:10,676 INFO L137 Inliner]: procedures = 63, calls = 177, calls flagged for inlining = 74, calls inlined = 449, statements flattened = 2733 [2021-12-22 20:26:10,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:26:10,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:26:10,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:26:10,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:26:10,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:10" (1/1) ... [2021-12-22 20:26:10,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:10" (1/1) ... [2021-12-22 20:26:10,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:10" (1/1) ... [2021-12-22 20:26:10,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:10" (1/1) ... [2021-12-22 20:26:10,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:10" (1/1) ... [2021-12-22 20:26:10,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:10" (1/1) ... [2021-12-22 20:26:10,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:10" (1/1) ... [2021-12-22 20:26:10,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:26:10,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:26:10,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:26:10,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:26:10,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:10" (1/1) ... [2021-12-22 20:26:10,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:10,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:10,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:26:10,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-22 20:26:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:26:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:26:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:26:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:26:10,935 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:26:10,936 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:26:11,913 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:26:11,949 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:26:11,949 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-22 20:26:11,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:26:11 BoogieIcfgContainer [2021-12-22 20:26:11,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:26:11,956 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:26:11,956 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:26:11,959 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:26:11,960 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:26:11,960 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:26:10" (1/3) ... [2021-12-22 20:26:11,962 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@282aef51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:26:11, skipping insertion in model container [2021-12-22 20:26:11,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:26:11,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:10" (2/3) ... [2021-12-22 20:26:11,962 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@282aef51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:26:11, skipping insertion in model container [2021-12-22 20:26:11,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:26:11,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:26:11" (3/3) ... [2021-12-22 20:26:11,964 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2021-12-22 20:26:12,000 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:26:12,000 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:26:12,001 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:26:12,001 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:26:12,001 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:26:12,001 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:26:12,001 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:26:12,001 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:26:12,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 766 states, 765 states have (on average 1.34640522875817) internal successors, (1030), 765 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:26:12,083 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 505 [2021-12-22 20:26:12,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:26:12,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:26:12,091 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:26:12,091 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:26:12,091 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 20:26:12,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 766 states, 765 states have (on average 1.34640522875817) internal successors, (1030), 765 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:26:12,101 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 505 [2021-12-22 20:26:12,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:26:12,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:26:12,103 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:26:12,103 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:26:12,107 INFO L791 eck$LassoCheckResult]: Stem: 751#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(38, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 635#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 37#L1118true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret55#1, select_features_#t~ret56#1, select_features_#t~ret57#1, select_features_#t~ret58#1, select_features_#t~ret59#1, select_features_#t~ret60#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 691#L1093true select_features_#t~ret55#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret55#1;havoc select_features_#t~ret55#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 238#L1093-1true select_features_#t~ret56#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret56#1;havoc select_features_#t~ret56#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 685#L1093-2true select_features_#t~ret57#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret57#1;havoc select_features_#t~ret57#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 764#L1093-3true select_features_#t~ret58#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret58#1;havoc select_features_#t~ret58#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 396#L1093-4true select_features_#t~ret59#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret59#1;havoc select_features_#t~ret59#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 501#L1093-5true select_features_#t~ret60#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret60#1;havoc select_features_#t~ret60#1; 659#L1110true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 328#L1126true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 472#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 361#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 424#L541-2true [2021-12-22 20:26:12,108 INFO L793 eck$LassoCheckResult]: Loop: 424#L541-2true assume !false; 590#L542true assume test_~splverifierCounter~0#1 < 4; 454#L543true test_~tmp~8#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 231#L551true assume !(0 != test_~tmp~8#1); 762#L551-2true test_~tmp___0~3#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 106#L561true assume !(0 != test_~tmp___0~3#1); 61#L561-2true test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 555#L571true assume 0 != test_~tmp___2~0#1; 542#L572true assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 249#L583-1true assume { :begin_inline_timeShift } true; 490#L207true assume !(0 != ~pumpRunning~0); 129#L207-2true assume !(0 != ~systemActive~0); 502#L214-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 227#L1058true __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 473#L173true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 550#L173-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 313#L224true assume { :end_inline_timeShift } true; 424#L541-2true [2021-12-22 20:26:12,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:26:12,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 1 times [2021-12-22 20:26:12,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:26:12,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727876750] [2021-12-22 20:26:12,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:26:12,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:26:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:12,237 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:26:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:12,310 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:26:12,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:26:12,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1371909646, now seen corresponding path program 1 times [2021-12-22 20:26:12,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:26:12,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798785470] [2021-12-22 20:26:12,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:26:12,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:26:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:12,329 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:26:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:12,340 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:26:12,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:26:12,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1809728536, now seen corresponding path program 1 times [2021-12-22 20:26:12,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:26:12,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300181480] [2021-12-22 20:26:12,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:26:12,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:26:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:26:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:26:12,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:26:12,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300181480] [2021-12-22 20:26:12,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300181480] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:26:12,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:26:12,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 20:26:12,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964208124] [2021-12-22 20:26:12,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:26:12,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:26:12,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 20:26:12,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-22 20:26:12,615 INFO L87 Difference]: Start difference. First operand has 766 states, 765 states have (on average 1.34640522875817) internal successors, (1030), 765 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:26:12,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:26:12,933 INFO L93 Difference]: Finished difference Result 2327 states and 3108 transitions. [2021-12-22 20:26:12,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 20:26:12,938 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2327 states and 3108 transitions. [2021-12-22 20:26:12,956 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1542 [2021-12-22 20:26:12,972 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2327 states to 2287 states and 3068 transitions. [2021-12-22 20:26:12,974 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2287 [2021-12-22 20:26:12,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2287 [2021-12-22 20:26:12,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2287 states and 3068 transitions. [2021-12-22 20:26:12,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:26:12,986 INFO L681 BuchiCegarLoop]: Abstraction has 2287 states and 3068 transitions. [2021-12-22 20:26:13,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states and 3068 transitions. [2021-12-22 20:26:13,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 807. [2021-12-22 20:26:13,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 807 states have (on average 1.339529120198265) internal successors, (1081), 806 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:26:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1081 transitions. [2021-12-22 20:26:13,041 INFO L704 BuchiCegarLoop]: Abstraction has 807 states and 1081 transitions. [2021-12-22 20:26:13,041 INFO L587 BuchiCegarLoop]: Abstraction has 807 states and 1081 transitions. [2021-12-22 20:26:13,041 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 20:26:13,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 807 states and 1081 transitions. [2021-12-22 20:26:13,045 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 543 [2021-12-22 20:26:13,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:26:13,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:26:13,046 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:26:13,046 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:26:13,046 INFO L791 eck$LassoCheckResult]: Stem: 3867#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(38, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 3844#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 3187#L1118 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret55#1, select_features_#t~ret56#1, select_features_#t~ret57#1, select_features_#t~ret58#1, select_features_#t~ret59#1, select_features_#t~ret60#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3188#L1093 select_features_#t~ret55#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret55#1;havoc select_features_#t~ret55#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3530#L1093-1 select_features_#t~ret56#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret56#1;havoc select_features_#t~ret56#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3531#L1093-2 select_features_#t~ret57#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret57#1;havoc select_features_#t~ret57#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3860#L1093-3 select_features_#t~ret58#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret58#1;havoc select_features_#t~ret58#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3705#L1093-4 select_features_#t~ret59#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret59#1;havoc select_features_#t~ret59#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3706#L1093-5 select_features_#t~ret60#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret60#1;havoc select_features_#t~ret60#1; 3777#L1110 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 3637#L1126 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 3638#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 3673#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3615#L541-2 [2021-12-22 20:26:13,047 INFO L793 eck$LassoCheckResult]: Loop: 3615#L541-2 assume !false; 3727#L542 assume test_~splverifierCounter~0#1 < 4; 3751#L543 test_~tmp~8#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 3520#L551 assume !(0 != test_~tmp~8#1); 3117#L551-2 test_~tmp___0~3#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 3315#L561 assume !(0 != test_~tmp___0~3#1); 3234#L561-2 test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 3235#L571 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 3370#L583 assume !(0 != test_~tmp___1~0#1); 3372#L583-1 assume { :begin_inline_timeShift } true; 3543#L207 assume !(0 != ~pumpRunning~0); 3269#L207-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 3357#L350 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 3391#L307-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 3468#L264-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 3469#L231-26 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 3570#L273-8 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 3571#L316-2 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 3858#L359 assume { :end_inline_processEnvironment } true; 3778#L214-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 3516#L1058 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 3517#L173 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 3560#L173-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 3614#L224 assume { :end_inline_timeShift } true; 3615#L541-2 [2021-12-22 20:26:13,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:26:13,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 2 times [2021-12-22 20:26:13,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:26:13,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605367959] [2021-12-22 20:26:13,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:26:13,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:26:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:13,058 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:26:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:13,069 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:26:13,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:26:13,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1304857393, now seen corresponding path program 1 times [2021-12-22 20:26:13,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:26:13,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889584383] [2021-12-22 20:26:13,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:26:13,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:26:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:13,075 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:26:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:13,079 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:26:13,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:26:13,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1942495355, now seen corresponding path program 1 times [2021-12-22 20:26:13,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:26:13,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161269091] [2021-12-22 20:26:13,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:26:13,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:26:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:13,090 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:26:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:13,104 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:26:16,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 08:26:16 BoogieIcfgContainer [2021-12-22 20:26:16,451 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 20:26:16,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 20:26:16,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 20:26:16,452 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 20:26:16,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:26:11" (3/4) ... [2021-12-22 20:26:16,454 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-22 20:26:16,533 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 20:26:16,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 20:26:16,534 INFO L158 Benchmark]: Toolchain (without parser) took 6416.69ms. Allocated memory was 138.4MB in the beginning and 260.0MB in the end (delta: 121.6MB). Free memory was 107.2MB in the beginning and 170.9MB in the end (delta: -63.7MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2021-12-22 20:26:16,534 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 94.4MB. Free memory was 56.1MB in the beginning and 56.0MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:26:16,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.40ms. Allocated memory is still 138.4MB. Free memory was 106.9MB in the beginning and 106.2MB in the end (delta: 718.4kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-22 20:26:16,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.61ms. Allocated memory is still 138.4MB. Free memory was 106.2MB in the beginning and 96.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-22 20:26:16,536 INFO L158 Benchmark]: Boogie Preprocessor took 123.47ms. Allocated memory is still 138.4MB. Free memory was 96.8MB in the beginning and 90.1MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-22 20:26:16,536 INFO L158 Benchmark]: RCFGBuilder took 1153.36ms. Allocated memory is still 138.4MB. Free memory was 90.1MB in the beginning and 105.3MB in the end (delta: -15.2MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2021-12-22 20:26:16,537 INFO L158 Benchmark]: BuchiAutomizer took 4495.02ms. Allocated memory was 138.4MB in the beginning and 260.0MB in the end (delta: 121.6MB). Free memory was 105.3MB in the beginning and 174.0MB in the end (delta: -68.7MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. [2021-12-22 20:26:16,537 INFO L158 Benchmark]: Witness Printer took 81.90ms. Allocated memory is still 260.0MB. Free memory was 174.0MB in the beginning and 170.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:26:16,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 94.4MB. Free memory was 56.1MB in the beginning and 56.0MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.40ms. Allocated memory is still 138.4MB. Free memory was 106.9MB in the beginning and 106.2MB in the end (delta: 718.4kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.61ms. Allocated memory is still 138.4MB. Free memory was 106.2MB in the beginning and 96.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.47ms. Allocated memory is still 138.4MB. Free memory was 96.8MB in the beginning and 90.1MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1153.36ms. Allocated memory is still 138.4MB. Free memory was 90.1MB in the beginning and 105.3MB in the end (delta: -15.2MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 4495.02ms. Allocated memory was 138.4MB in the beginning and 260.0MB in the end (delta: 121.6MB). Free memory was 105.3MB in the beginning and 174.0MB in the end (delta: -68.7MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. * Witness Printer took 81.90ms. Allocated memory is still 260.0MB. Free memory was 174.0MB in the beginning and 170.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 807 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1480 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 807 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6006 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6006 mSDsluCounter, 8405 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7383 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 1022 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 541]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, __SELECTED_FEATURE_base=1, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4acbfb2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a3d2100=0, methaneLevelCritical=0, retValue_acc=0, __GUIDSL_ROOT_PRODUCTION=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41041418=0, tmp___2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f1fdcab=0, cleanupTimeShifts=4, choice=29, \result=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, retValue_acc=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ec32fab=0, __SELECTED_FEATURE_methaneAlarm=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47be0ae3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23db0b0a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3104b006=0, tmp=0, __SELECTED_FEATURE_lowWaterSensor=0, head=0, pumpRunning=0, tmp___0=0, __SELECTED_FEATURE_highWaterSensor=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e93f9c4=0, retValue_acc=1, \result=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_stopCommand=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e3570e9=0, tmp=1, \result=29, head=0, __SELECTED_FEATURE_startCommand=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bcf3a9=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33e368ba=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2968d8a3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@330ee715=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 541]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L155] int __SELECTED_FEATURE_base ; [L156] int __SELECTED_FEATURE_highWaterSensor ; [L157] int __SELECTED_FEATURE_lowWaterSensor ; [L158] int __SELECTED_FEATURE_methaneQuery ; [L159] int __SELECTED_FEATURE_methaneAlarm ; [L160] int __SELECTED_FEATURE_stopCommand ; [L161] int __SELECTED_FEATURE_startCommand ; [L162] int __GUIDSL_ROOT_PRODUCTION ; [L200] int pumpRunning = 0; [L201] int systemActive = 1; [L786] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L983] int waterLevel = 1; [L984] int methaneLevelCritical = 0; [L131] int retValue_acc ; [L132] int tmp ; [L136] CALL select_helpers() [L1117] __GUIDSL_ROOT_PRODUCTION = 1 [L136] RET select_helpers() [L137] CALL select_features() [L1102] __SELECTED_FEATURE_base = 1 [L1103] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); [L1103] RET, EXPR select_one() [L1103] __SELECTED_FEATURE_highWaterSensor = select_one() [L1104] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); [L1104] RET, EXPR select_one() [L1104] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1105] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); [L1105] RET, EXPR select_one() [L1105] __SELECTED_FEATURE_methaneQuery = select_one() [L1106] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); [L1106] RET, EXPR select_one() [L1106] __SELECTED_FEATURE_methaneAlarm = select_one() [L1107] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); [L1107] RET, EXPR select_one() [L1107] __SELECTED_FEATURE_stopCommand = select_one() [L1108] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); [L1108] RET, EXPR select_one() [L1108] __SELECTED_FEATURE_startCommand = select_one() [L137] RET select_features() [L138] CALL, EXPR valid_product() [L1122] int retValue_acc ; [L1125] retValue_acc = __SELECTED_FEATURE_base [L1126] return (retValue_acc); [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L532] int splverifierCounter ; [L533] int tmp ; [L534] int tmp___0 ; [L535] int tmp___1 ; [L536] int tmp___2 ; [L539] splverifierCounter = 0 Loop: [L541] COND TRUE 1 [L543] COND TRUE splverifierCounter < 4 [L549] tmp = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp)) [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___2)) [L581] tmp___1 = __VERIFIER_nondet_int() [L583] COND FALSE !(\read(tmp___1)) [L596] CALL timeShift() [L207] COND FALSE !(\read(pumpRunning)) [L214] COND TRUE \read(systemActive) [L216] CALL processEnvironment() [L350] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L357] CALL processEnvironment__before__methaneAlarm() [L307] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L314] CALL processEnvironment__before__lowWaterSensor() [L264] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L271] FCALL processEnvironment__before__highWaterSensor() [L314] RET processEnvironment__before__lowWaterSensor() [L357] RET processEnvironment__before__methaneAlarm() [L216] RET processEnvironment() [L222] CALL __utac_acc__Specification4_spec__1() [L166] int tmp ; [L167] int tmp___0 ; [L171] CALL, EXPR getWaterLevel() [L1054] int retValue_acc ; [L1057] retValue_acc = waterLevel [L1058] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) [L222] RET __utac_acc__Specification4_spec__1() [L596] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-22 20:26:16,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)